Cu2GeSe3

semiconductor
· Cu2GeSe3

Cu2GeSe3 is a quaternary semiconductor compound combining copper, germanium, and selenium in a specific stoichiometric ratio, belonging to the broader family of chalcogenide semiconductors. This material is primarily of research interest for photovoltaic and thermoelectric applications, where its direct bandgap and layered crystal structure offer potential advantages in energy conversion efficiency and thermal management compared to traditional binary or ternary semiconductors. Cu2GeSe3 remains largely experimental; it is investigated for thin-film solar cells, photodetectors, and solid-state thermoelectric devices where the combination of reasonable mechanical stiffness and semiconducting properties may enable lightweight, high-efficiency energy devices.

thin-film photovoltaicsphotodetectorsthermoelectric generatorsresearch semiconductorsenergy harvesting devicesoptoelectronic materials

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)
—
Pa——
Shear Modulus(G)
—
Pa——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
—
kg/m³——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)2 entries
—
eV——
↳
—
eV——
Magnetic Moment(μB)
—
µB——
Seebeck Coefficient(S)
—
µV/K——
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
—
eV/atom——
Formation Energy(ΔHf)
—
eV/atom——
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.